– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 am Thu 30 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 am Thu 30 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Thu 30 Jul Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryModerate rain (total 10mm), heaviest on Sat afternoon. Warm (max 25°C on Fri afternoon, min 10°C on Sat night). Wind will be generally light. | Days 4–6 Weather SummarySome drizzle, heaviest during Sun morning. Warm (max 26°C on Tue afternoon, min 11°C on Sun morning). Wind will be generally light. | |||||||||||||||||
Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | | |  |  |  | | | | | | | | | | |
clear | clear | clear | clear | clear | clear | rain shwrs | mod. rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | clear | clear | clear | clear | clear | clear | |
Cloud base (m) | 8850 | 2150 | 600 | 1900 | 900 | 1950 | 2800 | 9350 | ||||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | 0.4 | 10 | 0.1 | 0.7 | 0.3 | 0.1 | — | — | — | — | — | — |
max °C | 18 | 21 | 18 | 21 | 25 | 21 | 16 | 15 | 12 | 13 | 16 | 14 | 18 | 23 | 19 | 24 | 26 | 22 |
min °C | 15 | 21 | 15 | 18 | 25 | 15 | 15 | 11 | 10 | 11 | 15 | 11 | 14 | 22 | 17 | 20 | 26 | 19 |
chill °C | 15 | 21 | 15 | 18 | 25 | 15 | 15 | 11 | 10 | 11 | 15 | 11 | 14 | 22 | 17 | 20 | 26 | 19 |
Freezing level m | 3800 | 3800 | 4050 | 4250 | 4350 | 4200 | 3250 | 2600 | 2450 | 2450 | 2650 | 2750 | 3200 | 3500 | 3700 | 3900 | 4200 | 4200 |
 | 5:37 | — | — | 5:39 | — | — | 5:41 | — | — | 5:41 | — | — | 5:43 | — | — | 5:45 | — | — |
 | — | — | 8:49 | — | — | 8:46 | — | — | 8:45 | — | — | 8:44 | — | — | 8:43 | — | — | 8:40 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Moderate rain (total 10mm), heaviest on Sat afternoon. Warm (max 25°C on Fri afternoon, min 10°C on Sat night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Some drizzle, heaviest during Sun morning. Warm (max 26°C on Tue afternoon, min 11°C on Sun morning). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.